Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Louisville to Sydney from $620

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Sydney departing on 8/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Louisville to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
5:59 pm - 6:55 am
SDF
-
SYD
22h 56m
1 stop
Qantas Airways Logo
1:00 pm - 5:17 pm
SYD
-
SDF
19h 17m
1 stop
$1,286Qantas Airways
Wed, Sep 23 - Sun, Oct 11
Qantas Airways Logo
4:26 pm - 6:55 am
SDF
-
SYD
22h 29m
1 stop
Qantas Airways Logo
6:25 am - 5:39 pm
SYD
-
SDF
27h 14m
2 stops
$1,288Qantas Airways
Wed, Nov 4 - Wed, Nov 11
United Airlines Logo
9:00 am - 7:00 am
SDF
-
SYD
32h 00m
2 stops
United Airlines Logo
9:30 am - 8:36 pm
SYD
-
SDF
25h 06m
2 stops
$1,291United Airlines
Thu, Aug 27 - Thu, Sep 3
United Airlines Logo
3:50 pm - 7:00 am
SDF
-
SYD
23h 10m
1 stop
United Airlines Logo
9:20 am - 1:33 pm
SYD
-
SDF
20h 13m
1 stop
$1,306United Airlines
Tue, Dec 1 - Tue, Dec 8
United Airlines Logo
3:25 pm - 7:00 am
SDF
-
SYD
49h 35m
2 stops
United Airlines Logo
10:20 am - 11:59 pm
SYD
-
SDF
27h 39m
2 stops
$1,307United Airlines
Wed, Aug 26 - Sat, Sep 5
Qantas Airways Logo
6:24 pm - 8:00 am
SDF
-
SYD
45h 36m
2 stops
Qantas Airways Logo
3:45 pm - 5:39 pm
SYD
-
SDF
41h 54m
2 stops
$1,309Qantas Airways
Mon, Nov 9 - Sat, Nov 21
United Airlines Logo
3:20 pm - 9:20 am
SDF
-
SYD
26h 00m
2 stops
United Airlines Logo
11:50 am - 7:35 pm
SYD
-
SDF
23h 45m
2 stops
$1,311United Airlines
Tue, Dec 1 - Tue, Dec 8
Multiple Airlines Logo
1:21 pm - 6:55 am
SDF
-
SYD
26h 34m
1 stop
Multiple Airlines Logo
7:25 am - 4:44 pm
SYD
-
SDF
24h 19m
2 stops
$1,313Multiple Airlines
Fri, Oct 23 - Sun, Nov 1
Multiple Airlines Logo
1:21 pm - 6:25 am
SDF
-
SYD
26h 04m
2 stops
Multiple Airlines Logo
6:15 am - 4:44 pm
SYD
-
SDF
25h 29m
2 stops
$1,318Multiple Airlines
Fri, Oct 23 - Sun, Nov 1
Qantas Airways Logo
4:18 pm - 6:55 am
SDF
-
SYD
23h 37m
1 stop
Qantas Airways Logo
1:05 pm - 5:17 pm
SYD
-
SDF
19h 12m
1 stop
$1,334Qantas Airways
Tue, Oct 20 - Thu, Oct 29

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Delta flights from Louisville to Sydney

Our best Delta deals on Louisville to Sydney flight tickets
Delta
Oct 17
SDF9:25 amLouisville Intl
31h 25m
2 stops
SYD7:50 amSydney Kingsford Smith
Oct 24
SYD10:15 amSydney Kingsford Smith
25h 59m
2 stops
SDF9:14 pmLouisville Intl
$1,411
Delta
Dec 26
SDF7:30 pmLouisville Intl
43h 20m
2 stops
SYD6:50 amSydney Kingsford Smith
Jan 18
SYD10:40 amSydney Kingsford Smith
39h 14m
2 stops
SDF9:54 amLouisville Intl
$1,642

Qantas Airways flights from Louisville to Sydney

Our best Qantas Airways deals on Louisville to Sydney flight tickets
Qantas Airways
Sep 23
SDF5:59 pmLouisville Intl
22h 56m
1 stop
SYD6:55 amSydney Kingsford Smith
Oct 11
SYD1:00 pmSydney Kingsford Smith
19h 17m
1 stop
SDF5:17 pmLouisville Intl
$1,286
Qantas Airways
Nov 4
SDF4:26 pmLouisville Intl
22h 29m
1 stop
SYD6:55 amSydney Kingsford Smith
Nov 11
SYD6:25 amSydney Kingsford Smith
27h 14m
2 stops
SDF5:39 pmLouisville Intl
$1,288
Qantas Airways
Nov 9
SDF6:24 pmLouisville Intl
45h 36m
2 stops
SYD8:00 amSydney Kingsford Smith
Nov 21
SYD3:45 pmSydney Kingsford Smith
41h 54m
2 stops
SDF5:39 pmLouisville Intl
$1,309

momondo Fare Finder

 
Customize your flight search to find flights from Louisville to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 14, 2026.
Use the filters below to find and compare flights from Louisville to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 9/23

5:59 pm-6:55 am

1 stop22h 56m

Sydney Kingsford Smith

Sun 10/11

1:00 pm-5:17 pm

1 stop19h 17m

$1,286

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 11/4

4:26 pm-6:55 am

1 stop22h 29m

Sydney Kingsford Smith

Wed 11/11

6:25 am-5:39 pm

2 stops27h 14m

$1,288

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 8/27

9:00 am-7:00 am

2 stops32h 00m

Sydney Kingsford Smith

Thu 9/3

9:30 am-8:36 pm

2 stops25h 06m

$1,291

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 12/1

3:50 pm-7:00 am

1 stop23h 10m

Sydney Kingsford Smith

Tue 12/8

9:20 am-1:33 pm

1 stop20h 13m

$1,306

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 8/26

3:25 pm-7:00 am

2 stops49h 35m

Sydney Kingsford Smith

Sat 9/5

10:20 am-11:59 pm

2 stops27h 39m

$1,307

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Mon 11/9

6:24 pm-8:00 am

2 stops45h 36m

Sydney Kingsford Smith

Sat 11/21

3:45 pm-5:39 pm

2 stops41h 54m

$1,309

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 12/1

3:20 pm-9:20 am

2 stops26h 00m

Sydney Kingsford Smith

Tue 12/8

11:50 am-7:35 pm

2 stops23h 45m

$1,311

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Fri 10/23

1:21 pm-6:55 am

1 stop26h 34m

Sydney Kingsford Smith

Sun 11/1

7:25 am-4:44 pm

2 stops24h 19m

$1,313

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Fri 10/23

1:21 pm-6:25 am

2 stops26h 04m

Sydney Kingsford Smith

Sun 11/1

6:15 am-4:44 pm

2 stops25h 29m

$1,318

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 10/20

4:18 pm-6:55 am

1 stop23h 37m

Sydney Kingsford Smith

Thu 10/29

1:05 pm-5:17 pm

1 stop19h 12m

$1,334

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Sydney from

How to get the cheapest flight ticket from Louisville to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Louisville and Sydney?

What is the cheapest month to fly to Sydney?

In general, March is the cheapest month to fly from Louisville to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you are unable to visit Sydney during the month of March, then departing from Louisville during the month February is also very affordable. Most momondo users find prices during this month for around $1,228.

Can stopping save me money on Louisville to Sydney flights?

You could potentially save up to 22% on your flight if you consider stops on a Louisville to Sydney flight.

When to book flights from Louisville to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Louisville to Sydney (SDF to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Sydney

Fastest flight time

22h 29m

Direct flights

None
The fastest flight from Louisville to Sydney takes 22h 29m
There are no direct flights from Louisville to Sydney. There are no popular flight routes from Louisville to Sydney.
Search flight deals

Frequently asked questions about flying from Louisville to Sydney

  • How far is Louisville Intl to Sydney Kingsford Smith by plane?

    A flight from Louisville Intl to Sydney Kingsford Smith will travel around 9284.6 mi. A reasonable flight in good conditions will take 22h 29m.

  • When did momondo last update prices for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport?

    Prices for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Louisville Intl Airport to Sydney Kingsford Smith Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Louisville to Sydney?

Best airlines flying from Louisville to Sydney

Compare and see reviews for airlines that fly from Louisville to Sydney with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $662Free CancellationRating
7.8
8,465 reviews
Search Delta flights
United AirlinesPriceFrom $973Free CancellationRating
7.4
9,988 reviews
Search United Airlines flights

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Bondi Beach
Wollongong
Penrith
Katoomba
Cronulla
Leura
Randwick
Lithgow
Coogee
Manly
Terrigal
Charlestown
Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Sydney?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Louisville to Sydney for you.

Can I find flights from Louisville to Sydney with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Louisville to Sydney flights to just show those with flexible booking policies.

How can momondo help me find flights from Louisville to Sydney?

momondo provides multiple filters to help you find the best flight to Sydney from Louisville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Louisville to Sydney right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Louisville to Sydney now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sydney and let you know when they change.

An easier way to manage your Sydney trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 8/13
Thu 8/20
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia